CH217786A - Process for the desensitization of photosensitive halogen silver layers. - Google Patents

Process for the desensitization of photosensitive halogen silver layers.

Info

Publication number
CH217786A
CH217786A CH217786DA CH217786A CH 217786 A CH217786 A CH 217786A CH 217786D A CH217786D A CH 217786DA CH 217786 A CH217786 A CH 217786A
Authority
CH
Switzerland
Prior art keywords
desensitization
silver layers
halogen silver
photosensitive halogen
photosensitive
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH217786A publication Critical patent/CH217786A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/2409—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62
    • C09B5/2436—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62 only nitrogen-containing hetero rings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/32—Latensification; Densensitisation
CH217786D 1938-12-12 1939-11-22 Process for the desensitization of photosensitive halogen silver layers. CH217786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0063146 1938-12-12

Publications (1)

Publication Number Publication Date
CH217786A true CH217786A (en) 1941-11-15

Family

ID=7195844

Family Applications (1)

Application Number Title Priority Date Filing Date
CH217786D CH217786A (en) 1938-12-12 1939-11-22 Process for the desensitization of photosensitive halogen silver layers.

Country Status (4)

Country Link
US (1) US2265138A (en)
BE (1) BE437187A (en)
CH (1) CH217786A (en)
FR (1) FR877991A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6077653A (en) * 1998-07-29 2000-06-20 Eastman Kodak Company Photographic developing compositions and methods of using 1,4-cyclohexanediones as antioxidants

Also Published As

Publication number Publication date
BE437187A (en)
FR877991A (en) 1943-01-07
US2265138A (en) 1941-12-09

Similar Documents

Publication Publication Date Title
CH311961A (en) Process for the manufacture of selenium rectifiers.
CH220433A (en) Photosensitive layer.
CH218656A (en) Process for the optical sensitization of halogen silver emulsions.
CH214631A (en) Process for the production of diazotypes.
CH214020A (en) Process for the manufacture of selenium rectifiers.
CH218381A (en) Process for sensitizing halide silver emulsions.
CH216177A (en) Photosensitive layer.
CH216435A (en) Process for the preparation of photographic material with antihalation layers.
CH219953A (en) Process for making colored photographic material.
CH217786A (en) Process for the desensitization of photosensitive halogen silver layers.
CH295688A (en) Process for making patterned metallizations.
CH252075A (en) Process for the manufacture of photographic material.
CH206837A (en) Process for the manufacture of selenium rectifiers.
CH213808A (en) Process for the manufacture of barrier photocells.
CH219165A (en) Process for sensitizing photographic silver halide emulsions.
CH233314A (en) Method for transmitting still images.
CH214922A (en) Process for sensitizing photographic emulsions.
CH217513A (en) Process for color development of halogen silver emulsion layers with dye components.
CH232630A (en) Process for sensitizing halogen silver emulsions containing non-diffusible dye formers.
CH236602A (en) Process for the preparation of photographic silver halide emulsions.
CH231428A (en) Process for the production of photosensitive systems.
GR7620B (en) METHOD OF MANUFACTURING PRODUCTIONS USING TSIGOGRAPHY.
CH232629A (en) Process for sensitizing halogen silver emulsions containing dye-forming agents.
CH216938A (en) Process for obtaining acrolein.
GR7907B (en) METHOD OF MANUFACTURING HORSESHOP.